Study Hell 2007 focuses on a high school teacher, a former army man named Don Keller, who reaches his breaking point due to taunting from students and the pressure of his job. On a night he's in charge of detention for five students, he snaps and turns into a lethal murderer, utilizing his military training. The detention room becomes his battleground as he embarks on a bloody killing spree, and it's up to the remaining students to stop him. The film is often described as a slasher remake of "The Breakfast Club."